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Technology · head to head

Checkmk vs UptimeRobot

Checkmk logo

Checkmk

Technology

Comprehensive IT monitoring, open and flexible

From
Free
Rated
-
Full reviewWebsite
UptimeRobot logo

UptimeRobot

Technology

Uptime monitoring for hobby and non-profit projects, up to enterprise

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Checkmk pricing calculated by service count, not hosts (approximately 30 services per host on average); UptimeRobot free plan is limited to a 5 minute check interval; sub-minute checking (60 seconds) requires the paid Solo plan and faster intervals (30 or 15 seconds) require Team or Scale
  • Prices and features above were last checked on 28 August 2026.

Where they differ

Only the attributes on which Checkmk and UptimeRobot actually diverge.

Attributes where Checkmk and UptimeRobot differ
AttributeCheckmkUptimeRobot
Pricing modelsubscriptionfreemium

Identical on both: starting price (Free), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Technology).

What people use each for

The jobs each tool is most often brought in to do.

Checkmk

  • Infrastructure monitoringnot UptimeRobot
  • System observabilitynot UptimeRobot
  • Enterprise compliance monitoringnot UptimeRobot

UptimeRobot

  • Freelancers monitoring personal websites and client projectsnot Checkmk
  • Small teams managing production services and infrastructurenot Checkmk
  • Agencies tracking high-volume client monitoring needsnot Checkmk
  • Enterprises requiring custom compliance and SLA managementnot Checkmk
  • Background job monitoring via heartbeat checksnot Checkmk

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Checkmk

  • Pricing calculated by service count, not hosts (approximately 30 services per host on average)
  • Professional support limited to 8-10 hours per week on base plans
  • Synthetic monitoring is separate add-on with per-test pricing

UptimeRobot

  • Free plan is limited to a 5 minute check interval; sub-minute checking (60 seconds) requires the paid Solo plan and faster intervals (30 or 15 seconds) require Team or Scale
  • Team plan includes only 3 seats; additional seats are not covered in the base $41/$35 per month price
  • Enterprise pricing and faster-than-15-second intervals are custom and require contacting sales

Pricing, plan by plan

Checkmk

Free
  • Community (Self-Hosted)Free
    • No cost, forever
    • Up to ~100 hosts
    • Basic infrastructure monitoring
  • Pro (Self-Hosted)$190/month
    • Advanced analytics
    • Reporting
    • Distributed monitoring
  • Ultimate (Self-Hosted)$275/month
    • Full-stack observability
    • Advanced security compliance
    • 10 hours x 5 days professional support (upgradable to 24/7)
  • CloudAI (SaaS)$240/month
    • Fully managed cloud hosting
    • 99.5% uptime SLA
    • Supports up to 50000 services

UptimeRobot

Free

No published plan breakdown. See the UptimeRobot review.

Which should you pick?

Choose Checkmk if

  • You want to start without paying.
Checkmk review

Choose UptimeRobot if

  • You want to start without paying.
UptimeRobot review

Questions people ask

Is Checkmk or UptimeRobot better?
Neither clearly leads. Checkmk starts at Free and UptimeRobot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Checkmk or UptimeRobot?
Checkmk starts at Free and UptimeRobot at Free.
Does Checkmk or UptimeRobot run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Checkmk for free?
Both have a free tier, so you can try either at no cost before committing.
What is Checkmk best used for?
Checkmk is most often used for infrastructure monitoring, system observability, enterprise compliance monitoring. Of those, infrastructure monitoring and system observability are not what UptimeRobot is typically brought in for.

Answered from the vendors’ own pages

Checkmk: Is there a free version of Checkmk?

Yes, Checkmk Community edition is free forever and supports up to approximately 100 hosts for basic infrastructure monitoring with no cost.

Source
UptimeRobot: What is UptimeRobot's refund policy?

UptimeRobot offers a 14-day money-back guarantee for new subscriptions and upgrades.

Source
Checkmk: How does Checkmk calculate pricing by host count?

Checkmk uses service-based pricing where each monitored aspect (file system, hardware sensor, switch port, metric) counts as one service. On average, there are approximately 30 services per host.

Source
UptimeRobot: Can I cancel my subscription anytime?

Yes. You can cancel at any time by turning off auto-renewal. Your subscription remains active until the end of the current billing cycle.

Source
Checkmk: What is the difference between Checkmk Pro and Ultimate tiers?

Pro tier at 190 EUR/month includes advanced analytics and 8x5 support, while Ultimate at 275 EUR/month adds full-stack observability, advanced compliance features, and upgradable 24/7 support.

Source
UptimeRobot: What payment methods does UptimeRobot accept?

UptimeRobot accepts major credit and debit cards (Visa, Maestro, MasterCard, Discover, Diners Club, American Express) as well as wire transfers.

Source
Checkmk: Does Checkmk offer a managed SaaS option?

Yes, Checkmk CloudAI is a fully managed SaaS tier at 240 EUR/month with 99.5% uptime SLA and support for up to 50000 services.

Source
UptimeRobot: What are the monitor limits by plan?

Free: 50 monitors | Solo: 50 | Team: 100 | Scale: 200-500

Source
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